// IMatchFinder.cs

using System;
using System.IO;

namespace SevenZip.Compression.LZ {
	internal interface IInWindowStream {

		void SetStream(Stream inStream);
		void Init();
		void ReleaseStream();
		Byte GetIndexByte(Int32 index);
		UInt32 GetMatchLen(Int32 index, UInt32 distance, UInt32 limit);
		UInt32 GetNumAvailableBytes();

	}

	internal interface IMatchFinder : IInWindowStream {

		void Create(UInt32 historySize, UInt32 keepAddBufferBefore,
		            UInt32 matchMaxLen, UInt32 keepAddBufferAfter);

		UInt32 GetMatches(UInt32[] distances);
		void Skip(UInt32 num);

	}
}